Summary
Sayar Roy is a Machine Learning Engineer at Apple working on Siri and Information Intelligence, with eight years of experience building interpretable NLP and information-extraction systems. He holds an MS in Computer Science from UIUC (DAIS lab, advised by Jiawei Han) where his thesis produced distantly-supervised, evidence-grounded citation recommendation research published at LREC-COLING 2024, and earlier earned top honors from IIIT Hyderabad with research ties to Microsoft Bing AI. At Apple he has delivered tangible product impact—engineering a 7x speedup and +20% precision improvements in Maps pipelines—and has a track record of shipping scalable multilingual crawlers, clustering algorithms, and explainable ML models. He has taught data mining and NLP at the graduate level, led deep learning workshops for juniors, and contributed winning models to shared tasks in summarization and hostile-content categorization. A lifelong tinkerer who loves Pandas, he also maintains a public code portfolio and project site documenting his reproducible research and tooling.
8 years of coding experience
5 years of employment as a software developer
Indian Certificate of Secondary Education (ICSE), English Language and Literature, Mathematics, Computer Applications, Science, Humanities, Bengali, Indian Certificate of Secondary Education (ICSE), English Language and Literature, Mathematics, Computer Applications, Science, Humanities, Bengali at St. Mary's School
Master of Science, Computer Science, Master of Science, Computer Science at University of Illinois Urbana-Champaign
Bachelor of Technology in Computer Science + Master of Science in Computational Linguistics, Bachelor of Technology in Computer Science + Master of Science in Computational Linguistics at International Institute of Information Technology
Indian School Certificate (ISC), English Language and Literature, Mathematics, Computer Science, Physics, Chemistry, Bengali, Indian School Certificate (ISC), English Language and Literature, Mathematics, Computer Science, Physics, Chemistry, Bengali at Salt Lake Point School
English, Bengali, Hindi